When it comes to DSLR cameras and considering the product range provided by the top brands there are minor differences in terms of performance and capabilities. Choosing one becomes a matter of choice and preference really. To illustrate this point I will briefly review the top 10 cameras for clarification.
Canon Rebel XS: Can shoot 3 frames per second, is 10.1 megapixels, has DIGIC III image processing and 7 points wide area automatic focusing.
Olympus Evolt: Can be used with a number of lenses and is compact, Has 2.5 inch LCD live view screen, is 10.0 megapixels and uses different storage accessories such as Microdrive, CF and memory cards.
Nikon D700: You can make light, brightness, color and contrast adjustments and it also has a wide area focus and has preliminary picture preview to allow you to see how the image will look like after you’ve taken it.
Nikon D300 DX: Has a 3 inch LCD live view screen, 12.3 megapixels and a new 51 point autofocus system.
Canon EOS 40D: Has 6.5 frame per second shooting, also has a 3inch live view LCD and is 10.0 megapixels.
Nikon D80: Has very high image resolution and will produce good quality pictures. 10.2 megapixels.
Canon EOS 50D: Has face recognition and motion sensor modes, uses standard USM lens, DIGIC IV sensor and is 15.1 megapixels.
Nikon D60: 2.5 inch LCD screen and is 10.2 megapixels and comes with a G vibration lens.
Nikon D90 DX: Includes scene recognition system, 3 inch LCD screen, and is12.3 megapixels.
Canon Digital Rebel XSi: capable of storing images on normal memory cards, Has DIGIC III image processor, is 12.2 megapixels and has an integrated cleaning system.
These are the currently popular models amongst DSLR cameras even though you can find products that are just as good under Panasonic, Kodak, and Sony. To be able to compare the different types and models check out any of the following: